Home / 31,757.15-43,844.66-20,446.23

Finding the Fourth Proportional to 31,757.15, 43,844.66 and 20,446.23

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Solution

The fourth proportional to 31,757.15, 43,844.66 and 20,446.23 is: 28,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.15 : 43,844.66 = 20,446.23 : x
  2. Step 2: Convert to fraction form
    31,757.15/43,844.66 = 20,446.23/x
  3. Step 3: Cross multiply
    31,757.15x = 43,844.66 × 20,446.23
  4. Step 4: Simplify right side
    31,757.15x = 896,458,002.63
  5. Step 5: Solve for x
    x = 896,458,002.63/31,757.15
  6. Step 6: Final answer
    x = 28,228.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.